Claims
- 1. A continuous interesterification process comprising the steps of:
- (a) precipitating a 1,3-specific lipase on inert particulate support material;
- (b) activating the lipase by addition of water in an amount effective to activate the lipase;
- (c) packing the inert support material carrying the precipitated lipase in a fixed bed;
- (d) mixing a fatty reactant selected from the group consisting of fatty acids containing 3 to 20 carbon atoms, their esters including triglyceride oils and fats, their fractionated and hydrogenated derivatives, and mixtures thereof and dissolving the mixture in a water-immiscible organic solvent to obtain a resulting solution;
- (e) dissolving water in the resuling solution in an amount sufficient to favor interestification and minimize hydrolysis;
- (f) continuously flowing said solution of step(e) through the fixed bed whereby a total contact time of less than two hours is achieved and glycerides enriched in the 1,3-positions are formed; and
- (g) recovering from the solution of step (f), the glycerides enriched in the 1,3-positions.
- 2. Process according to claim 1 in which the contact time is from 1 to 30 minutes.
- 3. Process according to claim 1 wherein the solvent comprises a paraffin.
- 4. Process according to claim 1 wherein the lipase is selected from the group consisting of Aspergillus niger and Mucor and Rhizopus species.
- 5. Process according to claim 1 wherein the fatty reactants comprise a mixture of free and combined fatty acids whereby triglycerides containing the free fatty acid are produced.
- 6. Process according to claim 1 which is carried out at a temperature from 0.degree. to 60.degree. C.
- 7. A continuous interesterification process comprising the steps of:
- (a) precipitating on inert particulate support material, a 1,3-specific lipase isolated from a microbial source selected from the group consisting of Aspergillus niger, Mucor species and Rhizopus species;
- (b) activating the lipase by addition of water in an amount effective to activate the lipase;
- (c) packing the insert support material carrying the precipitated lipase in a fixed bed;
- (d) mixing a fatty acid selected from the group consisting of myristic, palmitic, stearic acid and mixtures thereof with a vegetable oil or glyceride ester derivative thereof and dissoslving the mixture in a water-immiscible organic solvent to obtain a resulting solution;
- (e) dissolving water in the resulting solution in an amount sufficient to favor interesterification and minimize hydrolysis;
- (f) continuously flowing said solution of step (e) through the fixed bed at a temperature from 0.degree. to 60.degree. C. whereby a total contact time of less than two hours is achieved and glycerides enriched in the 1,3-positions are formed; and
- (g) recovering from the solution of step (f), the glycerides enriched in the 1,3-positions.
Priority Claims (1)
Number |
Date |
Country |
Kind |
8212688 |
Apr 1982 |
GBX |
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Parent Case Info
This is a continuation application of Ser. No. 490,641, filed May 2, 1983, now abandoned.
US Referenced Citations (4)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0064855 |
Nov 1982 |
EPX |
0069599 |
Jan 1983 |
EPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
490641 |
May 1983 |
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